From: Xiaogang Chen Xiaogang.Chen@amd.com
[ Upstream commit b4ee9606378bb9520c94d8b96f0305c3696f5c29 ]
svm_migrate_ram_to_vram migrates a prange from sys ram to vram. The prange may cross multiple vma. Need remember current dst vram offset in the TTM resource for each migration.
v2: squash in warning fix (Alex)
Signed-off-by: Xiaogang Chen Xiaogang.Chen@amd.com Reviewed-by: Felix Kuehling Felix.Kuehling@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c index 22b077ac9a196..fad500dd224d8 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -295,7 +295,7 @@ static unsigned long svm_migrate_unsuccessful_pages(struct migrate_vma *migrate) static int svm_migrate_copy_to_vram(struct amdgpu_device *adev, struct svm_range *prange, struct migrate_vma *migrate, struct dma_fence **mfence, - dma_addr_t *scratch) + dma_addr_t *scratch, uint64_t ttm_res_offset) { uint64_t npages = migrate->npages; struct device *dev = adev->dev; @@ -305,8 +305,8 @@ svm_migrate_copy_to_vram(struct amdgpu_device *adev, struct svm_range *prange, uint64_t i, j; int r;
- pr_debug("svms 0x%p [0x%lx 0x%lx]\n", prange->svms, prange->start, - prange->last); + pr_debug("svms 0x%p [0x%lx 0x%lx 0x%llx]\n", prange->svms, prange->start, + prange->last, ttm_res_offset);
src = scratch; dst = (uint64_t *)(scratch + npages); @@ -317,7 +317,7 @@ svm_migrate_copy_to_vram(struct amdgpu_device *adev, struct svm_range *prange, goto out; }
- amdgpu_res_first(prange->ttm_res, prange->offset << PAGE_SHIFT, + amdgpu_res_first(prange->ttm_res, ttm_res_offset, npages << PAGE_SHIFT, &cursor); for (i = j = 0; i < npages; i++) { struct page *spage; @@ -404,7 +404,7 @@ svm_migrate_copy_to_vram(struct amdgpu_device *adev, struct svm_range *prange, static long svm_migrate_vma_to_vram(struct amdgpu_device *adev, struct svm_range *prange, struct vm_area_struct *vma, uint64_t start, - uint64_t end, uint32_t trigger) + uint64_t end, uint32_t trigger, uint64_t ttm_res_offset) { struct kfd_process *p = container_of(prange->svms, struct kfd_process, svms); uint64_t npages = (end - start) >> PAGE_SHIFT; @@ -457,7 +457,7 @@ svm_migrate_vma_to_vram(struct amdgpu_device *adev, struct svm_range *prange, else pr_debug("0x%lx pages migrated\n", cpages);
- r = svm_migrate_copy_to_vram(adev, prange, &migrate, &mfence, scratch); + r = svm_migrate_copy_to_vram(adev, prange, &migrate, &mfence, scratch, ttm_res_offset); migrate_vma_pages(&migrate);
pr_debug("successful/cpages/npages 0x%lx/0x%lx/0x%lx\n", @@ -505,6 +505,7 @@ svm_migrate_ram_to_vram(struct svm_range *prange, uint32_t best_loc, unsigned long addr, start, end; struct vm_area_struct *vma; struct amdgpu_device *adev; + uint64_t ttm_res_offset; unsigned long cpages = 0; long r = 0;
@@ -525,6 +526,7 @@ svm_migrate_ram_to_vram(struct svm_range *prange, uint32_t best_loc,
start = prange->start << PAGE_SHIFT; end = (prange->last + 1) << PAGE_SHIFT; + ttm_res_offset = prange->offset << PAGE_SHIFT;
for (addr = start; addr < end;) { unsigned long next; @@ -534,13 +536,14 @@ svm_migrate_ram_to_vram(struct svm_range *prange, uint32_t best_loc, break;
next = min(vma->vm_end, end); - r = svm_migrate_vma_to_vram(adev, prange, vma, addr, next, trigger); + r = svm_migrate_vma_to_vram(adev, prange, vma, addr, next, trigger, ttm_res_offset); if (r < 0) { pr_debug("failed %ld to migrate\n", r); break; } else { cpages += r; } + ttm_res_offset += next - addr; addr = next; }